how can u read content of file from file array in c#

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C#

Actually i read the file name and also size ,length as following code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using System.IO;
namespace ClusteringNDD
{

    public partial class Form1 : Form
    {        
        public Form1()
        {
            InitializeComponent();
        }

      
        private void button1_Click(object sender, EventArgs e)
        {
            ArrayList fileStatistics = new ArrayList();
            String datasetPath = @"D:\Data Sets\Enron";
            DirectoryInfo d = new DirectoryInfo(datasetPath);
            FileInfo[] files = d.GetFiles("*.pdf");
            MessageBox.Show(files.Length.ToString());

            foreach (FileInfo file in files)
            {                
                    //create instance of data class
                    fileAtt f = new fileAtt();
                    f.fFullName = file.FullName;
                    f.fName = file.Name;
                    f.FileSize = file.Length;
                    f.fExtension = file.Extension;
                    fileStatistics.Add(f);
                    
                
            }
         

        }
    }
}

and i am also try the foreach loop for each file but some error is there
error like as
" foreach statement cannot operate on variables of type 'System.IO.FileInfo' because 'System.IO.FileInfo' does not contain a public definition for 'GetEnumerator' "
error occur in foreach name code like as

foreach(String data in file)
  {

  }

my requirement is read the content of the file,

pls help me.

thank u